Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.50 cm during a blow in which the 7.00-kg arm and glove are brought to rest from an initial speed of 10.0 m/s. Think & Prepare 1. Make note of what's given and what's unknown. Relate known quantities to symbols. 2. Draw a labeled sketch if possible. 3. Identify the physics principle and approach. Write down relevant equations symbolically. Simplify if possible. 4. Insert numerical quantities to solve for unknowns. 5. Does the answer make sense? (a) Calculate the change in kinetic energy of the glove and arm. Enter to 3 significant figures AKE= Note: AKE = KE final-KE initial (b) Where does this energy go? O into doing work against the force exerted by the face against the glove O into doing work against gravity O into the potential energy of the face O into the potential energy of the glove and arm J (c) Calculate the force exerted on the boxing glove by the opponent's face. Consider the relative directions of F and d when determining the sign of the force. Consider the direction of vo to be positive. Use the glove as the system for this part. Enter to 3 significant figures F glove N (Include sign) glove F face

Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.50 cm during a blow in which the 7.00-kg arm and glove are brought to rest from an initial speed of 10.0 m/s. Think & Prepare 1. Make note of what's given and what's unknown. Relate known quantities to symbols. 2. Draw a labeled sketch if possible. 3. Identify the physics principle and approach. Write down relevant equations symbolically. Simplify if possible. 4. Insert numerical quantities to solve for unknowns. 5. Does the answer make sense? (a) Calculate the change in kinetic energy of the glove and arm. Enter to 3 significant figures AKE= Note: AKE = KE final-KE initial (b) Where does this energy go? O into doing work against the force exerted by the face against the glove O into doing work against gravity O into the potential energy of the face O into the potential energy of the glove and arm J (c) Calculate the force exerted on the boxing glove by the opponent's face. Consider the relative directions of F and d when determining the sign of the force. Consider the direction of vo to be positive. Use the glove as the system for this part. Enter to 3 significant figures F glove N (Include sign) glove F face

Name: Boxing gloves are padded to lessen the force of a blow. The glove and
Uploaded: 2024-03-20T06:57:37.000Z
Channel: Bartleby
Description: Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.50 cm duringa blow in which the 7.00-kg arm and glove are brought to rest from an initial speed of 10.0 m/s.Think & Prepare1. Make note of what's given and what's

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Related questions

Q: A 5.00 x 105-kg subway train is brought to a stop from a speed of 0.600 m/s in 0.300 m by a large…

A: Mass of the trainInitial speedspring compressed to a distance

Q: 1. A roller coaster car with a mass of 2.1 x 10²kg is at rest at the top of a 40. m hill above the…

Q: A skateboarder with a mass of 90 kg is skating towards a ramp at 5 m/s. The skater begins to move up…

A: a) Lets apply energy conservation to solve this question:- Ei= Ef => Ki + Ui = Kf + Uf => 0.5…

Q: A 3 kg pendulum bob on a string 5 m long is released with a velocity of 3 m/s when the support…

A: Given data: Mass (m) = 3 kg Length (L) = 5 m Initial velocity (u) = 3 m/s Angle (θ) = 25°, with the…

Q: IP A 2.6 kg block slides with a speed of 2.5 m/s on a frictionless horizontal surface until it…

A: Have a look dear

Q: 1 Describe the Law of Conservation of Energy & all 6 forms of Energy with examples. Describe all 3…

A: Since you have posted multiple questions and not specified which question needs to be solved, so per…

Q: A ball is dropped from rest at the top of a 5.44-m-tall building, falls straight downward, collides…

Q: The system of two masses (M and m) shown below is released from rest. Calculate the speed of mass…

Q: Find the magnitude of the shopping cart's final velocity. After Emily Jumps, the shopping cart is...…

Q: 16. A roller coaster engineer (yes, there is such a thing) is considering three different designs…

A: The three different designs for roller coaster are represented as : "X" , "Y" , "Z". The initial and…

Q: When jumping straight down you can be seriously injured if you land stiff legged. One way to avoid…

A: Consider v0 as the initial speed of the man which is given as 5 m/s. The man stops completely after…

Q: A Physics book of unknown mass is dropped from rest 5.5 m. a). Draw a sketch of the scenario. b).…

Q: A 22 g red superball traveling 18 m/s EAST has an elastic collision with a 96 g blue superball…

Q: A baseball has a mass of about 0.15 kg, and it is pitched towards home plate at a speed of about 44…

Q: 2. A 0.7kg soccer ball hits a wall which exerts an average: normal force of 400N on the ball over…

Q: A 1 kg ball dropped from a height of 2 m rebounds to 1.5 m. Which of the following is true? a.…

A: We are given mass of a ball. We are given height of the ball. We are given rebounding height also.…

Q: JABBI Two objects are connected by a light string passing over a light, frictionless pulley. The…

A: Given, mass of the object, m1 = 5.00 kgm2 = 3.00 kg initial height above the ground, h = 4.0 m

Q: 6. A 5000kg truck travelling at 15ms-1 slams into a cement wall, stopping in a distance of 6m. a)…

Q: A horizontal spring is compressed a distance of 0.1 meters by a block of mass 10 kg. Assume that…

A: When a spring is compressed, a potential energy is stored in the spring due to its compression,…

Q: a). Which of the following is NOT a unit of potential energy: a)J, b) kg*m/s^2, C) kg*m^2/s^2, D)…

A: a) unit of potential energy are hence option C is not unit of potential energyb)we know change…

Q: A 1000kg car moving horizontally at 20m/s plows into a bank of sand and comes to a stop in 5s what…

Q: What is Law of Conservation of Mechanical Energy?

A: According to conservation of energy Total energy of isolated system remains constant.

Q: Driving home from school one day, you spot a ball rolling out into the street (see the figure…

Q: O when it leaves the gun? O a. 5 m/s Ob. 20 m/s O c. 10 m./s cm. How last will a Gar

A: Spring constant = K = 250 N/m Compressed length = x = 5cm = 0.05 m Mass = m = 0.025 kg

Q: Driving home from school one day, you spot a ball rolling out into the street (see the figure…

A: Given:Initial velocity, u=16.0 m/s Final velocity, v=9.5 m/s Time interval , t=1.5 s To determine…

Q: 1 At the end of the Shock Wave roller coaster ride, the 8000-kg train of cars (includes passengers)…

A: mass of the train , M = 8000 kg , Initial Velocity , Vi = 15 m/s final Velocity , Vf = 2 m/s…

Topic Video

Question

Boxing gloves are padded to lessen the force of a blow. The glove and face compress 7.50 cm during
a blow in which the 7.00-kg arm and glove are brought to rest from an initial speed of 10.0 m/s.
Think & Prepare
1. Make note of what's given and what's unknown. Relate known quantities to symbols.
2. Draw a labeled sketch if possible.
3. Identify the physics principle and approach. Write down relevant equations symbolically. Simplify if
possible.
4. Insert numerical quantities to solve for unknowns.
5. Does the answer make sense?
(a) Calculate the change in kinetic energy of the glove and arm.
Enter to 3 significant figures
AKE=
J
Note: AKE = KE final-KE initial
(b) Where does this energy go?
O into doing work against the force exerted by the face against the glove
O into doing work against gravity
O into the potential energy of the face
O into the potential energy of the glove and arm
(c) Calculate the force exerted on the boxing glove by the opponent's face. Consider the relative
directions of F and d when determining the sign of the force. Consider the direction of vo to be
positive. Use the glove as the system for this part.
Enter to 3 significant figures
F glove
=
✔N (Include sign)
O Newton's Second Law
F₁
glove
Vo
N (Include sign)
(d) Calculate the force exerted by the boxing glove on the opponent's face. Consider the relative
directions of F and d when determining the sign of the force. Consider the direction of vo to be
positive.
Enter to 3 significant figures
Fface=
✔N (Include sign)
Fface
d
(e) Name the theorem or physics principle you used to calculate part (c).
O Work-Energy Theorem
O Superposition of forces
(f) Calculate the force exerted by an identical blow on the face in the glory days when no gloves were
used and the knuckles and face would compress only 2 cm. Consider the relative directions of F and
d when determining the sign of the force. Consider the direction of vo to be positive.
Enter to 3 significant figures
Fface=

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Given and what to find:

VIEW

Step 2: Part (a) and (b) - Finding value of change in kinetic energy and where does this energy transfer:

VIEW

Step 3: Part (c) -Writing the equation of work energy theorem and work done:

VIEW

Step 4: Part (c)- Finding the force exerted on the boxing glove by the opponent’s face:

VIEW

Solution

VIEW

Step by step

Solved in 5 steps with 5 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

a) What is the speed of the basketball immediately before the collision, i.e. just before making contact with the ground? In other words, what is v,? b) What is the speed of the basketball immediately after the collision, i.e. just after the ball has decompressed? In other words, what is v;? c) Is the collision of the basketball with the ground an elastic or inelastic collision? Explain your answer and support it with calculations. d) Calculate the average force exerted by the ground on the basketball during the collision. In other words, calculate the average normal force during the collision.
On the roller-coaster shown, a car is moving 10 m/s toward the right at point 1. Assuming no friction, calculate the speed of the car at point 4. 3 40 m 26 m 15 m 29.37 m/s 22.71 m/s 20.89 m/s 26.17 m/s A. D. В. 25.07 m/s Е. С. 24.29 m/s F.
3
A kid on a bike with a combined mass of 100 kg goes 7 m/s at the top of a hill. The hill has a vertical drop of 50 m. How fast is the kid and bike going when they reach the bottom of the hill?( no friction) 1. c. d. O 27 m/s 23 m/s O 32 m/s O 980 m/s
A 50 kg surfer is riding a 25 kg surfboard at a speed of 6.00 m/s and then jumps off the front, moving forward. The surfer's velocity when jumping off the surfboard is 2.50 m/s Find the surfboard's velocity immediately after the surfer jumps off. Your answer
A 0.12 kg egg is dropped from a height of 2m and falls into an egg catcher.a. How fast is the egg traveling when it falls into the catcher from the height of 2m?b. If the catcher takes 0.2 seconds to bring the egg to a stop, what average force acts on the egg during the catch?
1. A 32.00kg child runs with a speed of 6.00m and jumps onto a 20.00kg sled initially at rest on a flat bed of snow (no friction). What is the resultant speed of the child and sled after the child is atop the sled? S m S 2. The child-sled combo travel at velocity 12.00 and collide with a large snow bank, coming to rest after a 0.37s collision. What is the magnitude of the average force exerted on the child-sled combo by the snow bank during the collision? O 1037.84 N 518.59 N 1686.49 N 648.65 N m S